Preformation
n. 预先形成\\n[医] 先成说, 预成说
🗣️ 情景例句
To advertise during prime time TV is very expensive.
在电视的黄金时段买广告是很贵的。
It's no use pumping a dry well.
徒劳无益。
That's a good idea.
这主意不错。